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參數(shù)資料
| 型號： | BD7960FM |
| 英文描述： | Controller Miscellaneous - Datasheet Reference |
| 中文描述： | 控制器雜項(xiàng)-數(shù)據(jù)表參考 |
| 文件頁數(shù)： | 9/10頁 |
| 文件大?。?/td> | 168K |
| 代理商： | BD7960FM |
BD7960FM
Optical disc ICs
9/10
!
Operation notes
(1) BD7960FM has a built-in thermal shutdown circuit.
When the chip temperature reaches 175
°
C (Typ.), the output current from all drivers is muted.
When the chip temperature returns to 150
°
C (Typ.), the circuit of the driver unit starts up.
(2) When the mute terminal (8pin) is opened or the terminal voltage is reduced to 0.5V or less, the output current of the
BTL driver unit is muted.
In the normal state of use, pull up the voltage to 2.0V or more.
(3) When the bias terminal (36pin) voltage is reduced to 0.7V or less, the BTL driver unit is muted.
In the normal state of use, set the voltage to 1.1V or more.
(4) Thermal shutdown mutes all drivers. When the mute ON voltage and the bias terminal voltage are reduced, only the
BTL drivers are muted. But Opamp are not muted by all condition.
When the drivers are muted, the BTL driver output terminal voltage becomes the internal bias voltage (V
CC
1
0.7)/2V.
(5) The loading drivers operate according to the following logic.
FWD
INPUT
OUTPUT
OUT
+
Function
High impedance
REV mode
FWD mode
Brake mode
REV
OUT
L
H
L
H
L
L
H
H
Hi Z
L
H
L
Hi Z
H
L
L
The output voltage can be changed by adjusting the voltage input to the LDCONT terminal (gain of 6dB Typ.).
However, even if the input voltage is increased excessively, the output voltage will not exceed the max. output voltage
that depends on the supply voltage.
(6) Supply the same voltage to V
CC
1 (14pin) and V
CC
2 (28pin).
Insert by the pass capacitor (approx. 0.1
μ
F) between V
CC
pin and GND pin of IC as near as possible.
(7) Connect the radiating fin with external GND.
(8) Output pin is to avoid short-circuit with V
CC
, GND and other output pins.
An integrated circuit is damaged, and smoke may come out by the case.
!
Electrical characteristic curves
0
5
10
15
0
10
15
20
25
C
C
SUPPLY VOLTAGE : V
CC
(V)
Fig.3 Circuit current characteristic
MUTE
=
H
MUTE
=
L
Ta
=
27
°
C
Circuit current
BIAS
=
V
CC
0
5
10
15
5
0
5
O
O
SUPPLY VOLTAGE : V
CC
(V)
Fig.4 OP-amp offset voltage
Ta
=
27
°
C
0
5
10
15
5
0
5
O
O
SUPPLY VOLTAGE : V
CC
(V)
Fig.5 BTL driver offset voltage
BIAS
=
2.5V
V
IN
=
BIAS
R
L
=
∞
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| BD7960FM-E2 | 功能描述:IC POWER DRIVER 6CH HSOP-M36 RoHS:是 類別:集成電路 (IC) >> PMIC - 電源管理 - 專用 系列:- 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:手持/移動(dòng)設(shè)備 電流 - 電源:- 電源電壓:3 V ~ 5.5 V 工作溫度:-40°C ~ 85°C 安裝類型:表面貼裝 封裝/外殼:14-WFDFN 裸露焊盤 供應(yīng)商設(shè)備封裝:14-LLP-EP（4x4） 包裝:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名稱:LP3905SD-30DKR |
| BD7961FM | 制造商:ROHM 制造商全稱:Rohm 功能描述:Power driver IC for CD changer |
| BD7961FM-E2 | 功能描述:IC POWER DVR CD CHANGER 36HSOP RoHS:是 類別:集成電路 (IC) >> 線性 - 放大器 - 專用 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:60 系列:- 類型:可變增益放大器 應(yīng)用:CATV 安裝類型:表面貼裝 封裝/外殼:20-WQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:20-TQFN-EP（5x5） 包裝:托盤 |
| BD7962FM | 制造商:ROHM 制造商全稱:Rohm 功能描述:Power Driver IC for CD changers |
| BD7962FM_07 | 制造商:ROHM 制造商全稱:Rohm 功能描述:Silicon Monolithic Integrated Circuit |
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